<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>兼容性</title>

	<style type="text/css">

     *{
     	margin:0;
     	padding:0;
     	color: blue;
     }

     .meun{
     	width: 100px;
     	height: 300px;
     	background-color: orange;
     	float: left;
     }

     .content{
     	width: 200px;
     	height: 300px;
     	background-color: yellow;
     	float: left;
     }
	</style>
</head>
<body>
	
	<div class="meun">
		
	</div>

	<div class="content">
		
	</div>

</body>
</html>